ACDC SDAW3.5-220, Installation And Service Manual

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Some system status can be checked by the controller but cannot be adjustable. Below is the list.
Status No. Description Range Remarks
IN Inlet water temp. -9 ~ 99°C Real test value
OUT Outlet water temp. -9 ~ 99°C Real test value
P1
Coil temp. -9 ~ 99°C
Real test value
P2 Reserved -9 ~ 99°C Real test value
ROOM Ambient temperature -9 ~ 99°C Real test value
Malfunctioning of the unit and error codes
When an error occurs or the protection mode is set automatically, the circuit board and the wired
controller will both display the error message.
Protection/Malfunction Error code Error Indicator LED
Inlet water temp. sensor failure PP 01
☆●
(One flash one black)
Outlet water temp. sensor failure PP 02
☆☆●
(2flash 1 black)
Evaporator coil temp. sensor failure PP 03
☆☆☆●
(3 flash 1 black)
Ambient temp. sensor failure PP 05
☆☆☆☆☆●
(5flash 1 black)
Too much Inlet/outlet water temp.
difference protection
PP 06
bright
Winter freezing protection PP 07
dark
Too low outlet water temp. protection PP 08
bright
High pressure protection EE 01
☆☆☆☆☆☆●
(6 flash 1 black)
Low pressure protection EE 02
☆☆☆☆☆☆☆●
(7flash 1 black)
Water flow protection
EE 03
☆☆☆☆☆☆☆☆●
(8 flash1 black)
Too much Inlet/outlet water temp.
difference failure EE 05
☆☆☆☆☆☆☆☆☆☆●
(10 flash 1
black)
Defrost
Defrosting
indicate
☆☆☆☆☆☆☆☆
……(Long flash)
Communication failure EE 08